Spring puller



FIG. 1 is a front perspective illustration of a spring puller embodying my new design;

FIG. 2 is a front plan view;

FIG. 3 is a right side plan view;

FIG. 4 is a rear plan view;

FIG. 5 is a left side plan view;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view. 

The ornamental design for a spring puller, as shown. 